nixos/alice-lg: init

nixos/doc/manual/release-notes/rl-2305.section.md

···
 
 - [photoprism](https://photoprism.app/), a AI-Powered Photos App for the Decentralized Web. Available as [services.photoprism](options.html#opt-services.photoprism.enable).
 
+- [alice-lg](github.com/alice-lg/alice-lg), a looking-glass for BGP sessions. Available as [services.alice-lg](#opt-services.alice-lg.enable).
+
 - [peroxide](https://github.com/ljanyst/peroxide), a fork of the official [ProtonMail bridge](https://github.com/ProtonMail/proton-bridge) that aims to be similar to [Hydroxide](https://github.com/emersion/hydroxide). Available as [services.peroxide](#opt-services.peroxide.enable).
 
 - [autosuspend](https://github.com/languitar/autosuspend), a python daemon that suspends a system if certain conditions are met, or not met.

nixos/modules/module-list.nix

···
   ./services/network-filesystems/yandex-disk.nix
   ./services/networking/3proxy.nix
   ./services/networking/adguardhome.nix
+  ./services/networking/alice-lg.nix
   ./services/networking/amuled.nix
   ./services/networking/antennas.nix
   ./services/networking/aria2.nix

nixos/modules/services/networking/alice-lg.nix

···
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.alice-lg;
+  settingsFormat = pkgs.formats.ini { };
+in
+{
+  options = {
+    services.alice-lg = {
+      enable = mkEnableOption (lib.mdDoc "Alice Looking Glass");
+
+      package = mkPackageOptionMD pkgs "alice-lg" { };
+
+      settings = mkOption {
+        type = settingsFormat.type;
+        default = { };
+        description = lib.mdDoc ''
+          alice-lg configuration, for configuration options see the example on [github](https://github.com/alice-lg/alice-lg/blob/main/etc/alice-lg/alice.example.conf)
+        '';
+        example = literalExpression ''
+          {
+            server = {
+              # configures the built-in webserver and provides global application settings
+              listen_http = "127.0.0.1:7340";
+              enable_prefix_lookup = true;
+              asn = 9033;
+              store_backend = postgres;
+              routes_store_refresh_parallelism = 5;
+              neighbors_store_refresh_parallelism = 10000;
+              routes_store_refresh_interval = 5;
+              neighbors_store_refresh_interval = 5;
+            };
+            postgres = {
+              url = "postgres://postgres:postgres@localhost:5432/alice";
+              min_connections = 2;
+              max_connections = 128;
+            };
+            pagination = {
+              routes_filtered_page_size = 250;
+              routes_accepted_page_size = 250;
+              routes_not_exported_page_size = 250;
+            };
+          }
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment = {
+      etc."alice-lg/alice.conf".source = settingsFormat.generate "alice-lg.conf" cfg.settings;
+    };
+    systemd.services = {
+      alice-lg = {
+        wants = [ "network.target" ];
+        after = [ "network.target" ];
+        wantedBy = [ "multi-user.target" ];
+        description = "Alice Looking Glass";
+        serviceConfig = {
+          DynamicUser = true;
+          Type = "simple";
+          Restart = "on-failure";
+          RestartSec = 15;
+          ExecStart = "${cfg.package}/bin/alice-lg";
+          StateDirectoryMode = "0700";
+          UMask = "0007";
+          CapabilityBoundingSet = "";
+          NoNewPrivileges = true;
+          ProtectSystem = "strict";
+          PrivateTmp = true;
+          PrivateDevices = true;
+          PrivateUsers = true;
+          ProtectHostname = true;
+          ProtectClock = true;
+          ProtectKernelTunables = true;
+          ProtectKernelModules = true;
+          ProtectKernelLogs = true;
+          ProtectControlGroups = true;
+          RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
+          LockPersonality = true;
+          MemoryDenyWriteExecute = true;
+          RestrictRealtime = true;
+          RestrictSUIDSGID = true;
+          PrivateMounts = true;
+          SystemCallArchitectures = "native";
+          SystemCallFilter = "~@clock @privileged @cpu-emulation @debug @keyring @module @mount @obsolete @raw-io @reboot @setuid @swap";
+          BindReadOnlyPaths = [
+            "-/etc/resolv.conf"
+            "-/etc/nsswitch.conf"
+            "-/etc/ssl/certs"
+            "-/etc/static/ssl/certs"
+            "-/etc/hosts"
+            "-/etc/localtime"
+          ];
+        };
+      };
+    };
+  };
+}

nixos/tests/alice-lg.nix

···
+# This test does a basic functionality check for alice-lg
+
+{ system ? builtins.currentSystem
+, pkgs ? import ../.. { inherit system; config = { }; }
+}:
+
+let
+  inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest;
+  inherit (pkgs.lib) optionalString;
+in
+makeTest {
+  name = "birdwatcher";
+  nodes = {
+    host1 = {
+      environment.systemPackages = with pkgs; [ jq ];
+      services.alice-lg = {
+        enable = true;
+        settings = {
+          server = {
+            listen_http = "[::]:7340";
+            enable_prefix_lookup = true;
+            asn = 1;
+            routes_store_refresh_parallelism = 5;
+            neighbors_store_refresh_parallelism = 10000;
+            routes_store_refresh_interval = 5;
+            neighbors_store_refresh_interval = 5;
+          };
+          housekeeping = {
+            interval = 5;
+            force_release_memory = true;
+          };
+        };
+      };
+    };
+  };
+
+  testScript = ''
+    start_all()
+
+    host1.wait_for_unit("alice-lg.service")
+    host1.wait_for_open_port(7340)
+    host1.succeed("curl http://[::]:7340 | grep 'Alice BGP Looking Glass'")
+  '';
+}

nixos/tests/all-tests.nix

···
   airsonic = handleTest ./airsonic.nix {};
   akkoma = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./akkoma.nix {};
   akkoma-confined = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./akkoma.nix { confined = true; };
+  alice-lg = handleTest ./alice-lg.nix {};
   allTerminfo = handleTest ./all-terminfo.nix {};
   alps = handleTest ./alps.nix {};
   amazon-init-shell = handleTest ./amazon-init-shell.nix {};